/*
 * IzPack - Copyright 2001-2012 Julien Ponge, All Rights Reserved.
 *
 * http://izpack.org/
 * http://izpack.codehaus.org/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.izforge.izpack.api.data;

import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;

/**
 * Pack compression format enum
 */
public enum PackCompression
{
    DEFAULT("default"), GZIP("gz"), BZIP2("bzip2"), XZ("xz"), LZMA("lzma"), DEFLATE("deflate");

    private static Map<String, PackCompression> lookupByName;

    private String name;

    PackCompression(String name)
    {
        this.name = name;
    }

    static
    {
        lookupByName = new HashMap<String, PackCompression>();
        for (PackCompression compression : EnumSet.allOf(PackCompression.class))
        {
            lookupByName.put(compression.toName(), compression);
        }
    }

    public String toName()
    {
        return name;
    }

    public static PackCompression byName(String name)
    {
        if (name != null && lookupByName.containsKey(name))
        {
            return lookupByName.get(name);
        }
        return null;
    }
}
